This combination of pictures created on August 22, 2018 shows images of Michael Cohen (L), former lawyer for US President Donald Trump, Donald Trump (C) and Trump campaign Manager Paul ManafortPhotos by AFP

U.S. President Donald Trump defended on Twitter Wednesday former Trump campaign manager Paul Manafort, who was convicted by a jury in Virginia of financial crimes Tuesady, as a "brave man."

Manafort faces separate charges in September in the District of Columbia that include acting as a foreign agent on behalf of the Putin-backed former president of Ukraine.

I feel very badly for Paul Manafort and his wonderful family. “Justice” took a 12 year old tax case, among other things, applied tremendous pressure on him and, unlike Michael Cohen, he refused to “break” - make up stories in order to get a “deal.” Such respect for a brave man!

I've been skeptical about the wisdom and merit of impeachment. Cohen's guilty plea changes that. The president is clearly guilty of high crimes and misdemeanors. He should resign his office or be impeached and removed from office. https://t.co/N23Z6vlfZa

Democrats pounced on the Cohen and Manafort cases, saying they bolstered their argument that the Trump White House was weighed down by scandal.

A Democratic victory in November would limit Trump's ability to push through legislation and increase the risk of calls for his impeachment.

Also on Tuesday, an attorney for Trump’s former personal lawyer and “fixer” says his client has knowledge on certain subjects that “should be of interest” to special counsel Robert Mueller (MUHL’-ur), who’s investigating possible Russian interference in the 2016 presidential election.

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Lawyer Lanny Davis told MSNBC’s Rachel Maddow Tuesday night that Michael Cohen is “more than happy to tell the special counsel all that he knows.”

Davis’ comments came after Cohen pleaded guilty earlier Tuesday to campaign-finance violations and other charges, saying Trump directed him to arrange the payment of hush money to porn star Stormy Daniels and a former Playboy model to fend off damage to his White House bid.

Davis told Maddow that from this point on, the public is going to see a “liberated Michael Cohen speaking truth to power.”

Trump suffered twin setbacks on Tuesday with two ex-advisers facing prison sentences - and one of them saying Trump told him to commit a crime - possibly hurting his Republican Party's election prospects and widening a criminal probe that has overshadowed his presidency.

Within minutes of each other in separate courts, Manafort was found guilty on tax and bank fraud charges, while Trump's former personal lawyer, Michael Cohen, pleaded guilty to a range of charges.

Cohen also testified that Trump directed him to commit a crime by arranging payments ahead of the 2016 presidential election to silence two women who said they had had affairs with Trump.

The setbacks refocused attention on Special Counsel Robert Mueller's inquiry into Russian meddling in the 2016 presidential election, whether Trump's campaign colluded with Moscow and whether Trump obstructed justice by firing then-FBI Director James Comey, who was formerly in charge of the investigation.

Trump has denied collusion, calling Mueller's probe a "witch hunt."

Of the two latest developments, Cohen's plea deal was the more troublesome, said those around Trump.

"A bad day for the home team," said one source close to the president, who asked not to be identified.

The source added that the legal woes could depress voter turnout and increase Republicans' risk of losing their 23-seat majority in the House of Representatives in November's congressional elections. "This hurts our midterm prospects."

"The American people deserve answers regarding the president’s role in these corrupt and criminal actions," said Democratic Representative Rosa DeLauro.

Rodell Mollineau, a senior Democratic strategist, said the news "adds to a constant drumbeat that will ultimately affect some independent voters" and help Democrats at the polls.

"Manafort being convicted, on its own, might not sway any votes. But given the totality of criminality uncovered ... it will be hard for some Republicans to ignore and even harder to explain.”

Still, there were no immediate calls for Trump's impeachment and Republican lawmakers did not join the chorus of criticism from Democratic ranks.

LOYAL SUPPORT

The long-term impact of the Cohen and Manafort cases will likely depend on how they affect the turnout of Republican and Democratic voters in November.

While he undoubtedly had a bad day on Tuesday, some analysts said Trump might be able to turn the setbacks to his advantage by reinforcing core supporters' views that he is under siege, said Andy Smith, director of the University of New Hampshire Survey Center.

"In midterm elections, the president’s party tends to be less interested and less motivated to vote. But one thing that will motivate people to get out and vote is if they believe the party is being attacked unfairly," he said.

At a rally in Charleston, West Virginia, on Tuesday night, a relatively subdued Trump did not mention either the Cohen or Manafort case.

Instead, as supporters cheered him on, he made fun of his opponents' focus on the Mueller investigation, saying they were desperate to find collusion with Russians.

"Where is the collusion? Where is it?" he said, mimicking his critics.

Josh McGrew, who traveled from Huntington, West Virginia, for the rally, called the investigation a “smear campaign” and said his support for Trump was unshaken.

“This is all about finding out anything they can in somebody’s past,” McGrew said. “They haven’t come up with anything in a year and a half, almost two years.”

Polling by Ipsos/Reuters has shown Trump's job approval rating holding steady at about 40 percent, even with Mueller's investigation already bringing guilty pleas by several former Trump advisers.

The Cohen and Manafort cases were unlikely to erode Trump's support from his political base or the Republican Party establishment, said Larry Sabato, a political analyst and director of the University of Virginia Center for Politics.

“I don’t think there is any change at all,” said Sabato. “That’s the amazing part of it. The Trump base and virtually the entire Republican Party could care less. The polls will bear me out.”

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